U.S. President Donald Trump came to Wayne Gretzky's defence after the Canadian hockey legend came under fire for his association with Trump, who continues to threaten annexing Canada to make it "the 51st state." Andrew Chang breaks down the fallout from Gretzky's appearance at the NHL's recent 4 Nations tournament that led to Trump's show of support. (Additional credits: 3:38: Bloomberg Quicktake/YouTube; 3:39: C-SPAN)
